Hey, i have obx headers and the o2 sensor is also located very far from the engine and i get very bad gas mileage. How many more mpgs did you get after you relocated the o2 sensor?
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1989 5 speed turbo
Koyo radiator
Spearco intercooler
HKS bov
Greddy e-01 boost controller
245's all around
Slotted + drilled all around
3" straight piping turbo-back, 4" tip
Lowering springs
HKS mushroom air filter
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